She's expert at making cheap but stylish clothes.

她擅长做便宜但雅致的服装。

《牛津词典》

She is a real expert at house decorations.

她是一个真正的家装能手。

youdao

He's an expert at getting his own way.

他在如何达到自己的目的方面很在行。

《牛津词典》

Medal winner Esther Conwell is a chemistry and atomic physics expert at the University of Rochester in New York.

VOA: special.2010.11.09

There are different activities you can do where if you're good enough at them, if you're expert enough at them, you don't know you're doing them.

有很多不同的事情,如果你很擅长这些活动，你对这些活动非常在行，那么你是不会意识到你正在做这些事情的。

耶鲁公开课 - 心理学导论课程节选

Poetry is not interested in expert debate at all, and it converts the big spectrum of possible degrees of accent into those two simple categories: stressed and unstressed syllables.

诗是从不在乎这样专业的争议的，它将涵盖很多不同程度的重音的音谱,简单分成两种：,重音和非重音节。

耶鲁公开课 - 现代诗歌课程节选

"North Korea is an expert at crisis diplomacy, or crisis marketing, " Mr. Shin said.

WSJ: North Korea Fires Missiles Into Sea

The director of Nicaragua's National Police described him as an expert at violating computer security systems.

CNN: Fugitive on 'Most Wanted' list returned to U.S.

Pino Bethencourt is a professor and leadership expert at IE Business School, in Madrid.

FORBES: Magazine Article